LIQUID SPRAY APPARATUS AND SYSTEM
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Oct 12, 2012
filing date -
Oct 13, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A liquid spray head (10) e.g. to spray liquid for dust control or watering. The spray head has a body (11), an inlet (12) for receiving the liquid to be sprayed, a spray outlet, and at least one adjuster (15,16,17,18) arranged to adjust size and/or position of the outlet aperture such that a width or position of the aperture is variable, or both the width and position of the aperture are variable, relative to the body, to thereby deliver a desired rate, pattern or direction of liquid spray through the aperture. The adjuster can be ram (17,18) actuated controlling two coaxially aligned collar assemblies (15,16) with left and right adjusting leaves (25,26). A depth actuator works an outer body cover (24) to adjust vertical height of the outlet aperture. Spray aperture size and/or direction can be controlled based on vehicle speed and desired spray pattern/direction.
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